1944
Armament project inside the mountain
A vast underground complex for wartime aircraft production was created at great speed inside the Walpersberg.
Experience History
Walpersberg and REIMAHG
At the foothills of the Walpersberg near Kahla, the Nazi regime built one of the largest underground armament complexes of the Second World War. Thousands of forced laborers were compelled to dig tunnels, erect bunkers, and produce the Messerschmitt Me 262.As the History and Research Association Walpersberg e.V. we uncover this hidden past – on these pages and through guided tours across the former military site.
Walpersberg at a glance
What is the Walpersberg?
In 1944/45 the Walpersberg near Kahla became the site of one of the largest underground armament projects of the Nazi regime. Tunnels, bunkers and production zones were intended to secure the manufacture of the Messerschmitt Me 262. The site therefore stands for Nazi armament production, forced labour, the end of the war and later remembrance.
Underground armament complexForced labour and campsPlace of research and remembrance
1944–1945
Built through forced labour
Thousands of people were deployed under violence and in inhumane conditions for construction, logistics and production.
Since 1945
From military site to place of remembrance
Today the Walpersberg stands for historical research, public history work and the recovery of individual fates.
Christmas gift idea
Explore history together
The “REIMAHG – Werk Lachs” photo book, Walpersberg map and tour vouchers in one gift package. Choose the tour date later.
1 voucher: save €5 · 2 vouchers: save €7 · 3 or more: save €10
Discover history digitally
Understand Walpersberg
Texts, images, maps and 3D models explain what happened at Walpersberg – and who the people forced to work here were.
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History & documentation
What happened at Walpersberg
Texts, photographs, maps and sources explain the history of REIMAHG and Walpersberg step by step.
Discover the history
3D02
Camps in 3D
Explore the camps in space
All main camps are now available as interactive 3D reconstructions – including terrain, barracks, paths and historical vegetation.
View camps and 3D models
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People & biographies
Who the forced labourers were
Names, places of origin, camps and portraits tell the stories of individuals and their fates.
Search for peopleFrom the association
News & Press
Discover history
Research & databases
Research names and biographies connected to Walpersberg or explore the database of underground relocation sites.
Forced labour database
People at Walpersberg
Research people, places of origin and camp connections relating to forced labour at the REIMAHG plant.
7.563 persons
29 camps
1.208 documented deaths
Portraits and life stories
Cross-regional database
Underground relocation sites
Explore underground armament relocation sites, their code names, locations and associated companies.
828 recorded underground relocation sites
Walpersberg near Kahla, code-named “Lachs”, was one of these underground relocation sites.
From the association
Current project
About the associationPress coverage
View all media mentionsPublications
Publications of the association
Also: tour vouchers and further material.
3 books (hardcover)2 yearbooks (softcover)Maps & postcards
Selected titles